Base | Representation |
---|---|
bin | 1001011100101101000110… |
… | …0110000111011101010010 |
3 | 1100210011011122221212112101 |
4 | 2113023101212013131102 |
5 | 2330202123310230030 |
6 | 34032305153551014 |
7 | 2121363562331125 |
oct | 227132146073522 |
9 | 40704148855471 |
10 | 10388747351890 |
11 | 3345930056336 |
12 | 11b94aa57546a |
13 | 5a48684103ab |
14 | 27cb64a563bc |
15 | 13037d9e37ca |
hex | 972d1987752 |
10388747351890 has 8 divisors (see below), whose sum is σ = 18699745233420. Its totient is φ = 4155498940752.
The previous prime is 10388747351861. The next prime is 10388747351891. The reversal of 10388747351890 is 9815374788301.
10388747351890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 9934858145521 + 453889206369 = 3151961^2 + 673713^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (10388747351891) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519437367585 + ... + 519437367604.
Almost surely, 210388747351890 is an apocalyptic number.
10388747351890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10388747351890 is a deficient number, since it is larger than the sum of its proper divisors (8310997881530).
10388747351890 is a wasteful number, since it uses less digits than its factorization.
10388747351890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1038874735196.
The product of its (nonzero) digits is 40642560, while the sum is 64.
The spelling of 10388747351890 in words is "ten trillion, three hundred eighty-eight billion, seven hundred forty-seven million, three hundred fifty-one thousand, eight hundred ninety".
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